SMART BACKUP on GIGABYTE ep45-DQ6

Leon

Distinguished
Aug 6, 2008
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My Mobo - Gigabyte EP45-DQ6 BIOS 12. OS Windows XP PRO SP3.
This mobo has Smart Backup Raid1.
I built the Smart Backup on GS2 and GS3 ports, 1TB Samsung external HDD for each port.
This Raid1 works. I partitioned it (FAT16 for OS DOS and 3 NTFS 64KB for books, music and films) and started to copy my films from the old HDD on the raid.
The first film (1.6 GB) copied well, the second one hung up my PC.
All time the raid starts to work well but suddenly hangs up my PC.

Any thoughts?
Great thanks and sorry my imperfect English.